Sixty questions drawn from every lecture in the Exam 1 dermatology block, in exam proportions rather than at random — each of the nine lectures contributes to every form, so this is a genuine cumulative rehearsal and not a sample of whichever topic had the most questions written for it. Questions are reused verbatim from the topic quizzes, so nothing here can drift from the material it is summarizing. No question appears in more than one form, so working through all five gives you 300 distinct questions. Every question cites its slide.
Answers reveal only after you choose. Your score and a breakdown by objective appear at the end, with a review of everything you missed.